1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * Copyright (C) 2021-2023 Digiteq Automotive
4 * author: Martin Tuma <martin.tuma@digiteqautomotive.com>
5 */
6
7#ifndef __MGB4_VIN_H__
8#define __MGB4_VIN_H__
9
10#include <media/v4l2-device.h>
11#include <media/v4l2-dev.h>
12#include <media/v4l2-ctrls.h>
13#include <media/videobuf2-core.h>
14#include <linux/debugfs.h>
15#include "mgb4_i2c.h"
16
17struct mgb4_vin_regs {
18 u32 address;
19 u32 config;
20 u32 status;
21 u32 resolution;
22 u32 frame_period;
23 u32 sync;
24 u32 pclk;
25 u32 signal;
26 u32 signal2;
27 u32 padding;
28};
29
30struct mgb4_vin_config {
31 int id;
32 int dma_channel;
33 int vin_irq;
34 int err_irq;
35 struct mgb4_vin_regs regs;
36};
37
38struct mgb4_vin_dev {
39 struct mgb4_dev *mgbdev;
40 struct v4l2_device v4l2dev;
41 struct video_device vdev;
42 struct vb2_queue queue;
43 struct mutex lock; /* vdev lock */
44
45 spinlock_t qlock; /* video buffer queue lock */
46 struct list_head buf_list;
47 struct work_struct dma_work, err_work;
48
49 unsigned int sequence;
50
51 struct v4l2_dv_timings timings;
52 u32 freq_range;
53 u32 padding;
54
55 struct mgb4_i2c_client deser;
56
57 const struct mgb4_vin_config *config;
58
59#ifdef CONFIG_DEBUG_FS
60 struct dentry *debugfs;
61 struct debugfs_regset32 regset;
62 struct debugfs_reg32 regs[9];
63#endif
64};
65
66struct mgb4_vin_dev *mgb4_vin_create(struct mgb4_dev *mgbdev, int id);
67void mgb4_vin_free(struct mgb4_vin_dev *vindev);
68
69#endif
70

source code of linux/drivers/media/pci/mgb4/mgb4_vin.h